550 
pound, 125; on the action of so- 
dium on oxalic ether, 126. 
Lorenz (L.) on the determination of 
the direction of the vibrations of 
polarized light by means of diffrac- 
tion, 321; on the reflexion of light 
at the boundary of two isotropic 
transparent media, 481. 
Lourenco (M.) on polyglyceric alco- 
hols, 499 
Lowe (E. J.) on a new ozone-box 
and test-slips, 466. 
Lunar tables, on the, 239. 
Macrauchenia, on a new species of, 
156. 
Magnetic declination, on the lunar- 
diurnal variation of, 384. 
force, on a theory of, 65, 92. 
phenomena, on the application 
of the theory of molecular vortices 
to, ]61, 281, 338. 
Magnetism, on theories of, 250. 
Martius (M.) on the platinum metals, 
502. . : 
Matteucci (Prof.) on electric endos- 
mose, 159. 
Matthiessen (Dr. A.) on an alloy 
which may be used asa standard of 
electrical resistance, 107. 
Maxwell (Prof. J. C.) on the theory 
of compound colours, and the rela- 
tions of the colours of the spec- 
trum, 141; on physical lines of 
force, 161, 281, 338. 
Metals, new, 86, 239. 
Miasnikoff (M.) on the preparation 
of acetylene, 359. 
Minerals, on the formation of native, 
496. 
Mitchell (Rev. H.) on the old red 
sandstone of Forfar and Kincar- 
dine, 236. 
Motion, on the principles of the 
science of, 41. 
Murchison (Sir R. I.) on the altered 
rocks of the western and central 
Highlands, 306. 
Nicol (Prof. J.) on the structure of 
the north-west Highlands, 233. 
Nitrobenzole, on the oxidation of, 
176. 
Nitrophenoie acid, 178. 
Nitrophenylenediamine, on the action 
of nitrous acid upon, 457. 
Numbers, prime, on a new theorem 
concerning, 127. 
EN Dt xX. 
Numerical tables, on a new method 
of arranging, 137. 
Oxygen, on the preparation of, 295. 
Ozone, note on, 329, 
fea and test-slips, on a new, 
466. 
Pasteur.(M.) on alcoholic fermenta- 
tion, 120. 
Pauli (Dr. P.) on the production of 
graphite by the decomposition o 
cyanogen compounds, 541. ; 
Pettenkofer (Prof.) on an apparatus 
for experiments on respiration, 544. 
Phosphuretted hydrogen, on inflam- 
mable, 126. 
Physies, theoretical, on, 504. 
Picrate of manganese, on the optical ° 
properties of the, 477. 
Platinum metals, on the cyanides of 
the, 502. 
Playfair (Dr. L.) on a method of 
taking vapour-densities, 398. 
Polyammonias, researches on the, 
457. 
Pontécoulant (M. de) on the lunar 
tables, and the equalities of long 
period due to the action of Venus, 
239. 
Pteraspis dunensis, 303. 
Pugh (Dr. E.) on the sources of the 
nitrogen of vegetation, 521. 
Putrefaction, observations on, 361]. 
Quinties, remarks on, 39, 90, 210. 
Reboul (M.) on some derivatives of 
elycerine, 299. 
Regelation, note on, 146. 
Resistance-thermometer, on a new, 
73. 
Respiration, on an apparatus for ex- 
periments on, 544. 
Retina, on certain affections of the, 20. 
Riess (Prof.) on electrical partial dis- 
charges, 542. 
Rike (Prof. P. L.) on the duration of 
the spark of an electric discharge, 
365. 
Ripples, on, and their relation to the 
velocities of currents, 1, 188. 
Rose (Prof. H.) on the separation of 
tin, 207. 
Rossi (M.) on homocuminie acid, 561. 
Royal Society, proceedings of the, 75, 
141, 224, 384, 457, 521. 
Saligenine, researches on, 363. 
Satellites, on the stability of, in small 
orbits, 263. 
